Home / 160,243,876.14-221,136,549.03-86,905,018.14

Finding the Fourth Proportional to 160,243,876.14, 221,136,549.03 and 86,905,018.14

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Solution

The fourth proportional to 160,243,876.14, 221,136,549.03 and 86,905,018.14 is: 119,928,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,243,876.14 : 221,136,549.03 = 86,905,018.14 : x
  2. Step 2: Convert to fraction form
    160,243,876.14/221,136,549.03 = 86,905,018.14/x
  3. Step 3: Cross multiply
    160,243,876.14x = 221,136,549.03 × 86,905,018.14
  4. Step 4: Simplify right side
    160,243,876.14x = 19,217,875,804,869,148
  5. Step 5: Solve for x
    x = 19,217,875,804,869,148/160,243,876.14
  6. Step 6: Final answer
    x = 119,928,925.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.